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U.S. Space Command Completes First Live-Fire Space Exercise; OpenAI Pauses Some New Subscriptions Due to Astra Demand; Unitree Open-Sources a 6 Billion-Parameter Embodied Foundation Model
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美国太空司令部完成首次实飞太空演习；OpenAI因Astra需求暂停部分新订阅；宇树科技开源60亿参数具身基座模型
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Ranking history & source details
First recorded Sep 11, 2026, 11:30 PM CST · latest Sep 15, 2026, 8:27 AM CST. Ranks reflect attention on each platform.
| Day | Platform | Best rank | Last rank |
|---|---|---|---|
| 2026-09-15 | Guokr | #19 | #19 |
| 2026-09-14 | Guokr | #15 | #15 |
| 2026-09-13 | Guokr | #8 | #8 |
| 2026-09-12 | Guokr | #3 | #3 |
| 2026-09-11 | Guokr | #1 | #1 |